Google's Android and Apple's iOS will be the dominant tablet operating systems in the market through 2015, with Microsoft's Windows 8 OS trailing at a distant third, according to the latest Gartner projections.

In a new survey by IDC Government Insights, the public chose computers and websites as their preferred mode of interaction with federal agencies, though that will likely change as mobile communications grow.

The Army's intelligence arm is building combat muscle as the service readies to expand the mobile Prophet Enhanced ground signals intelligence system that it says is proving vital through its flexibility and mobility on the battlefield.